CN203068506U - Anthracite rotary cement kiln combustor head component - Google Patents
Anthracite rotary cement kiln combustor head component Download PDFInfo
- Publication number
- CN203068506U CN203068506U CN 201220650325 CN201220650325U CN203068506U CN 203068506 U CN203068506 U CN 203068506U CN 201220650325 CN201220650325 CN 201220650325 CN 201220650325 U CN201220650325 U CN 201220650325U CN 203068506 U CN203068506 U CN 203068506U
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- head
- cyclone
- injector
- eddy flow
- connector
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses an anthracite rotary cement kiln combustor head component. A head big outer barrel and a middle big outer barrel are connected and sleeved outside a head ejector and an ejector connecting piece to form an axial flow air channel. The ejector and the ejector connecting piece are connected and sleeved outside a head outer swirler and an outer swirler connecting piece to form an outer swirling flow air channel. The head outer swirler and the outer swirler connecting piece are connected and sleeved outside a head pulverized coal outlet and a middle pulverized coal outlet to form a coal air channel. The head pulverized coal outlet and the middle pulverized coal outlet are connected and sleeved outside a head inner swirler and an inner swirler connecting piece to form an inner swirling flow air channel. Swirling flow grooves I are formed in the head outer swirler, and the rotation direction of the swirling grooves I is identical to the rotation direction of a rotary kiln. Swirling flow grooves II are formed in the head inner swirler, and the rotation direction of the swirling flow grooves II is opposite to the rotation direction of the rotary kiln. Calcining effect of anthracite can be greatly improved in the process of cement clinker production.
Description
Technical field
The utility model relates to cement industry and makes field, particularly a kind of anthracite cement rotary kiln burner head parts.
Background technology
Coal burner is the core heat construction equipment of cement plant calcination of cement clinker, and its serviceability directly influences stable, the technical performance of rotary kiln of firing system and the yield and quality of clinker.For reducing cost, adapt to market competition, increasing cement plant brings into use the colm of low volatile and anthracite to act as a fuel, and anthracitic combustibility is poor, low, the more difficult after-flame of volatile matter.The result of use of burner depends primarily on performance and the structure of its head assembly, in the current manufacture of cement of making fuel with anthracite, the coal burner excuse parts that often occurs selecting for use designs unreasonable, cause system problems such as the preceding temperature of kiln is on the low side, coal dust after-burning, kiln caudal knot circle, influence ordinary production.
Summary of the invention
The utility model provides a kind of simple in structure, handling safety, the anthracite cement rotary kiln burner head parts that investment is little and operation rate is high for solving the technical problem that exists in the known technology.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of anthracite cement rotary kiln burner head parts comprises cyclone and interior cyclone connector in the big urceolus of head, the big urceolus in middle part, head injector, injector connector, the outer cyclone of head, outer cyclone connector, head discharge, middle part discharge, the head;
The big urceolus of described head and described middle part coaxial connection of big urceolus, and be sleeved on the outside of described head injector and described injector connector, form the axial flow air channel, described head injector and described coaxial connection of injector connector, and be sleeved on the outside of the outer cyclone of described head and described outer cyclone connector, form outer swirling wind channel, the outer cyclone of described head and described outer coaxial connection of cyclone connector, and be sleeved on the outside of described head discharge and described middle part discharge, form coal wind duct, described head discharge and described middle part coaxial connection of discharge, and be sleeved on cyclone in the described head and described in the outside of cyclone connector, in the eddy flow air channel in forming, described head cyclone with described in the cyclone connector is coaxial is connected;
The head of cyclone is provided with the outer outside described head, the outer of the outer cyclone of described head and the interior circle of described head injector are tightly connected, the outer of the outer cyclone of described head is provided with a plurality of eddy flow groove I of offering along described outer swirling wind channel direction, the eddy flow angle of described eddy flow groove I is the 18-22 degree, and the direction of rotation of described eddy flow groove I is identical with the rotary kiln rotation direction;
The head of cyclone is provided with the outer in described head, the outer of cyclone and the interior circle of described head discharge are tightly connected in the described head, the outer of cyclone is provided with a plurality of eddy flow groove II of offering along described interior eddy flow air channel in the described head, the eddy flow angle of described eddy flow groove II is the 40-60 degree, and the direction of rotation of described eddy flow groove II is opposite with the rotary kiln rotation direction.
Head at described head injector is provided with the outer, and the interior circle of the outer of described head injector and the big urceolus of described head is tightly connected, and the outer of described head injector is provided with 16 through holes of offering along described axial flow air channel.
Advantage and the good effect that the utlity model has are:
1) inverse double-rotation stream wind setting, peripheral eddy flow wind and kiln turn to identical, strengthen the radial diffusion of coal dust, avoid coal dust to enter material too early simultaneously, and interior eddy flow wind strengthens coal dust with outer eddy flow wind reciprocation and spreads increase coal dust and gas contact area;
2) uniform 16 hole axial flow wind can make in the circumferential area peripheral gas is entrainmented the power maximum, and 16 hole axial flow wind hole counts had both enlarged the diameter of single hole, reduced the interference between the Kong Yukong simultaneously, strengthen comprehensive volume suction degree;
3) a wind ratio is low, economizes on coal obviously, to reducing system's hear rate certain effect is arranged;
4) the bispin flow structure can enlarge the combustion zone, reduces temperature peak, can effectively reduce generation and the discharging of NOx;
5) adjusting is nimble quick, and maintenance is convenient;
6) low wearing and tearing, the life-span is long.
In sum, the utility model has solved original burner and entrainmented problems such as secondary wind energy power deficiency, calcining heat are low, coal dust after-burning, kiln caudal knot circle when using anthracite, has significantly promoted anthracitic calcining effect in the clinker production process.
Description of drawings
Fig. 1 is side view of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is outer eddy flow emitter construction schematic diagram;
Fig. 4 is interior eddy flow emitter construction schematic diagram.
Among the figure: the 1st, the big urceolus of head, the 2nd, the big urceolus, the 3rd in middle part, head injector, the 4th, injector connector, the 5th, the outer cyclone, the 6th of head, outer cyclone connector, the 7th, head discharge, the 8th, middle part discharge, the 9th, cyclone, the 10th in the head, interior cyclone connector.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1～Fig. 4, a kind of anthracite cement rotary kiln burner head parts, comprise the big urceolus 1 of head, the big urceolus 2 in middle part, head injector 3, injector connector 4, the outer cyclone 5 of head, outer cyclone connector 6, head discharge 7, middle part discharge 8, cyclone 9 and interior cyclone connector 10 in the head, the big urceolus 1 of head and big 2 coaxial connections of urceolus of middle part, and be sleeved on the outside of head injector 3 and injector connector 4, form the axial flow air channel, head injector 3 and 4 coaxial connections of injector connector, and be sleeved on the outside of the outer cyclone 5 of head and outer cyclone connector 6, form outer swirling wind channel, the outer cyclone 5 of head and the outer cyclone connector 6 coaxial outsides that are connected and are sleeved on head discharge 7 and middle part discharge 8, form coal wind duct, head discharge 7 and 8 coaxial connections of middle part discharge, and be sleeved on the outside of cyclone 9 and interior cyclone connector 10 in the head, cyclone 9 and interior 10 coaxial connections of cyclone connector in the eddy flow air channel in forming, head.The head of cyclone 5 is provided with the outer outside head, the outer of the outer cyclone 5 of head and the interior circle of head injector 3 are tightly connected, the outer of the outer cyclone 5 of head is provided with a plurality of eddy flow groove I of offering along the outer swirling wind channel direction, the eddy flow angle of eddy flow groove I is the 18-22 degree, and the direction of rotation of eddy flow groove I is identical with the rotary kiln rotation direction.The head of cyclone 9 is provided with the outer in head, the outer of cyclone 9 and the interior circle of head discharge 7 are tightly connected in the head, the outer of cyclone 9 is provided with the eddy flow groove II that the eddy flow air channel is offered in a plurality of edges in the head, the eddy flow angle of eddy flow groove II is the 40-60 degree, and the direction of rotation of eddy flow groove II is opposite with the rotary kiln rotation direction.
Head at head injector 3 is provided with the outer, and the interior circle of the big urceolus 1 of the outer of head injector 3 and head is tightly connected, and the outer of head injector 3 is provided with 16 through holes of offering along the axial flow air channel.
Said burner utilizes the maximization of axial flow wind passage loose structure to the effect of entrainmenting of combustion air by the reasonable coupling design to axial flow air channel, outer swirling wind channel, coal wind duct, four main channels, interior eddy flow air channel, accelerates anthracitic ignition.Utilize outer eddy flow wind to increase the radial diffusion of coal dust, and the interior eddy flow wind of topmost acting in opposition strengthens the diffusion of coal dust greatly, the combustion zone coal dust is more evenly distributed, accelerate anthracite combustion, promote burn-off rate, the flame of having avoided occurring in the anthracite combustion is spun out, and calcining is not enough, problem such as ring formation behind the kiln.Anthracitic even burning can also reduce temperature peak, effectively reduces generation and the discharging of NOx, reaches the effect of energy-saving and emission-reduction.
The exclusive structure of the utility model has solved the problem that calcined anthracite in the present manufacture of cement exists, function admirable, regulate nimble quick, maintenance is convenient, wear and tear low, the life-span is long.
Its operation principle is: adopt high axial wind and inverse double-rotation stream structure combining of entrainmenting ability, and by reasonably coupling design, flow air in each air channel is spouting with different speed and angle, strengthen mixing of coal dust and high temperature secondary wind greatly, avoided dramatically because the incomplete system problem that brings of anthracite combustion.
Although by reference to the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the present utility model.
Claims (2)
1. anthracite cement rotary kiln burner head parts, it is characterized in that, comprise cyclone and interior cyclone connector in the big urceolus of head, the big urceolus in middle part, head injector, injector connector, the outer cyclone of head, outer cyclone connector, head discharge, middle part discharge, the head;
The big urceolus of described head and described middle part coaxial connection of big urceolus, and be sleeved on the outside of described head injector and described injector connector, form the axial flow air channel, described head injector and described coaxial connection of injector connector, and be sleeved on the outside of the outer cyclone of described head and described outer cyclone connector, form outer swirling wind channel, the outer cyclone of described head and described outer coaxial connection of cyclone connector, and be sleeved on the outside of described head discharge and described middle part discharge, form coal wind duct, described head discharge and described middle part coaxial connection of discharge, and be sleeved on cyclone in the described head and described in the outside of cyclone connector, in the eddy flow air channel in forming, described head cyclone with described in the cyclone connector is coaxial is connected;
The head of cyclone is provided with the outer outside described head, the outer of the outer cyclone of described head and the interior circle of described head injector are tightly connected, the outer of the outer cyclone of described head is provided with a plurality of eddy flow groove I of offering along described outer swirling wind channel direction, the eddy flow angle of described eddy flow groove I is the 18-22 degree, and the direction of rotation of described eddy flow groove I is identical with the rotary kiln rotation direction;
The head of cyclone is provided with the outer in described head, the outer of cyclone and the interior circle of described head discharge are tightly connected in the described head, the outer of cyclone is provided with a plurality of eddy flow groove II of offering along described interior eddy flow air channel in the described head, the eddy flow angle of described eddy flow groove II is the 40-60 degree, and the direction of rotation of described eddy flow groove II is opposite with the rotary kiln rotation direction.
2. according to the described anthracite cement rotary kiln of claim 1 burner head parts, it is characterized in that, head at described head injector is provided with the outer, the interior circle of the outer of described head injector and the big urceolus of described head is tightly connected, and the outer of described head injector is provided with 16 through holes of offering along described axial flow air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220650325 CN203068506U (en) | 2012-11-29 | 2012-11-29 | Anthracite rotary cement kiln combustor head component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220650325 CN203068506U (en) | 2012-11-29 | 2012-11-29 | Anthracite rotary cement kiln combustor head component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203068506U true CN203068506U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220650325 Expired - Lifetime CN203068506U (en) | 2012-11-29 | 2012-11-29 | Anthracite rotary cement kiln combustor head component |
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| CN (1) | CN203068506U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885237A (en) * | 2017-02-23 | 2017-06-23 | 河南汇金智能装备有限公司 | Burner |
| CN108758629A (en) * | 2018-07-10 | 2018-11-06 | 东方电气集团东方锅炉股份有限公司 | low nitrogen oxide gas burner |
| CN109059534A (en) * | 2018-06-12 | 2018-12-21 | 湖北锋焰机电科技有限公司 | A kind of adjustable energy-efficient rotary kiln burner |
| CN113464933A (en) * | 2021-07-02 | 2021-10-01 | 合肥水泥研究设计院有限公司 | Swirler with gradually changed spiral angle |
| CN114674146A (en) * | 2022-03-18 | 2022-06-28 | 天津水泥工业设计研究院有限公司 | Intelligent control system and control method for rotary cement kiln burner |
| CN114674146B (en) * | 2022-03-18 | 2024-06-07 | 天津水泥工业设计研究院有限公司 | Intelligent control system and control method for cement rotary kiln burner |
-
2012
- 2012-11-29 CN CN 201220650325 patent/CN203068506U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885237A (en) * | 2017-02-23 | 2017-06-23 | 河南汇金智能装备有限公司 | Burner |
| CN106885237B (en) * | 2017-02-23 | 2023-09-22 | 河南汇金智能装备有限公司 | Burner with a burner body |
| CN109059534A (en) * | 2018-06-12 | 2018-12-21 | 湖北锋焰机电科技有限公司 | A kind of adjustable energy-efficient rotary kiln burner |
| CN109059534B (en) * | 2018-06-12 | 2024-02-23 | 湖北锋焰机电科技有限公司 | Adjustable high-efficiency energy-saving rotary kiln burner |
| CN108758629A (en) * | 2018-07-10 | 2018-11-06 | 东方电气集团东方锅炉股份有限公司 | low nitrogen oxide gas burner |
| CN108758629B (en) * | 2018-07-10 | 2024-04-12 | 东方电气集团东方锅炉股份有限公司 | Low-oxynitride gas burner |
| CN113464933A (en) * | 2021-07-02 | 2021-10-01 | 合肥水泥研究设计院有限公司 | Swirler with gradually changed spiral angle |
| CN114674146A (en) * | 2022-03-18 | 2022-06-28 | 天津水泥工业设计研究院有限公司 | Intelligent control system and control method for rotary cement kiln burner |
| CN114674146B (en) * | 2022-03-18 | 2024-06-07 | 天津水泥工业设计研究院有限公司 | Intelligent control system and control method for cement rotary kiln burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |